Penttriunium (Ptu)

Penttriunium is the systematic name of the theoretical 531. element in the periodic table with a symbol of Ptu and atomic number of 531. Penttriunium, also known as element 531, has חמש מאות שלושים ואחת protons in its nucleus, and חמש מאות שלושים ואחת electrons in its shells.